Bosch 0445110532 Diesel Injector

On the 1.6L i-DTEC platform, a failing Bosch 0445110532 injector typically presents as: rough or unstable idle with vibration, especially cold; misfire or uneven running on one cylinder; hard starting or extended cranking; loss of power and poor acceleration under load; white smoke at idle/start-up or black smoke under acceleration, higher fuel consumption.

When two or more of these appear together, suspect the injector before peripheral systems — a comparative leak-off test and live-data cylinder-balance review will isolate the failed unit without tear-down.

The documented failure modes on this platform are: injector wear degrading atomisation — under- or over-fuelling depending on the failure; injector back-leak beyond specification affecting starting rail pressure; diesel knock from poor spray pattern or injection imbalance.

Internal wear cannot be repaired in situ — once delivery drifts outside calibration, remanufacture or replacement is the reliable fix.

Use cylinder-balance data to isolate the weak injector — misfire codes identify the cylinder, not the cause. Run a comparative leak-off test across all four injectors before ordering. Rule out glow plug, EGR and turbo faults — the drivability symptoms overlap on this engine. Injector coding is required after fitting — follow the manufacturer procedure.

Never condemn a common-rail injector on a fault code alone — codes identify the circuit or cylinder, while leak-off volumes and correction values identify the component.

Each remanufactured 0445110532 is fully stripped, ultrasonically cleaned and inspected; worn components are replaced with OE-grade parts. The rebuilt unit is then calibrated on a common-rail test bench against the manufacturer's specification sheet — delivery, back-leak and response are all verified before the injector is sealed and despatched with its calibration data on file.

Every unit carries a 12-month parts warranty and free UK delivery.

The 0445110532 trusted family covers 3 verified vehicle fitments across 1 make: Honda. Every fitment listed on this page is registry-verified — no scraped or assumed applications.

0445110532 supersedes or cross-references 6 further OE numbers, including 16450RZ0G01, 16450RZ0G010, 16450RZ0G011, 16450RZ0G012, 16450RZ0G013 and 16450RZ0KG000. Always match the reference etched on your failed unit's body — cross-references within a family are verified equivalents, but etched numbers remain the source of truth.